Apple garnered a 44.1 percent share and retained the top market position in the US smartphone OEM market in the three-month period to the end of August, increasing its lead 0.6 percentage points, according to data from comScore and Mobile Metrix.

Google’s Android remained the leading smartphone OS platform at 51.7 percent despite losing 0.4 points of market share, according to the latest from comScore’s MobiLens and Mobile Metrix market data services.

Whether it’s OEMs or OS platforms, there’s a lot of market share separating players in the US smartphone market. Samsung, for instance, ranked second among smartphone OEMs with a 27.4 percent market share, down 1.3 points from May. Although third-ranked LG managed to add 0.9 percentage points to its smartphone OEM market share, it could only garner a 9.1 percent market share.

In the smartphone OS platform market space, Apple continued to rank second with a 44.1 percent market share, up 0.6 points from end-May. Collectively, Android and Apple accounted for 95.8 percent of the US market as of end-August.

Microsoft dropped 0.1 points for a 2.9 percent share of the OS market. Blackberry dropped 0.1 points as well, bringing its US smartphone OS market share down to 1.2 percent.

Turning to individual smartphone apps, Facebook led the market with an end-user reach of 75.4 percent. Its IM app, Facebook Messenger, ranked second with a 59.8 percent reach. Google apps took the next four spots, with YouTube (59.5 percent), Google Play (52.1 percent), Google Search (51.4 percent), and Gmail (43.8 percent).